PIROUZ LTD

Flashing and trims

UK supplier of cold room panels, doors and refrigeration parts. Fast dispatch, trade prices, expert advice.

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Commercial Cold Room Flashing and Trims

Cold storage facilities, cleanrooms, and food processing environments rely on complete environmental isolation to maintain internal temperatures and rigorous operational standards. Cold room flashing and trims form the critical finishing layer for composite panel structures, sealing exposed cut edges, maintaining vapour seals, and preventing thermal bridging across wall, floor, and ceiling junctions. Pirouz Ltd is a trusted UK supplier of trade quality panel flashings, hygienic coves, and structural profiles designed specifically for commercial refrigeration contractors, cold store builders, and maintenance engineers.

Whether you are constructing a walk-in freezer from scratch or replacing damaged profiles in a high-care food production facility, using correct corner and edge profiles is vital. Pairing superior surface flashings with high performance insulation like PIR insulated panels 100mm thick creates a tight, highly efficient thermal envelope that resists condensation, moisture ingress, and bacterial accumulation. Explore our stock inventory or contact our technical sales team for custom brake-pressed flashings tailored to your exact site dimensions.

Essential Cold Room Flashing and Trim Profiles

Every cold store enclosure presents unique perimeter geometries, panel thickness transitions, and structural anchorage points. Pirouz Ltd maintains extensive stock of standard metal and PVC profiles, offering comprehensive coverage for internal and external panel details.

Internal Hygienic Coves and Angle Trims

Right-angled wall-to-floor and wall-to-ceiling joints are notorious for trapping dust, moisture, and organic debris. Internal coves feature a smooth, curved radius that eliminates sharp 90-degree corners, making wall joints effortless to wash down and disinfect. Our internal coves are supplied in food-grade white PVC laminate or pre-finished metal options, providing a clean appearance that fully satisfies EHO audit requirements.

External Corner Flashings

External corners are constantly exposed to mechanical impact from roll cages, pallet trucks, and heavy footwear. Our heavy-gauge external corner flashings wrap around panel intersections to protect internal foam insulation from damage. They also seal cut panel edges against moisture penetration and secure the structural alignment of perimeter walls.

Base Channels and Floor Tracking

Base channels provide a rigid, level foundation for mounting wall panels directly onto concrete slabs or insulated cold room floors. Manufactured from heavy galvanised steel or extruded aluminium, these floor channels retain wall alignment, prevent lateral panel movement, and form a barrier against surface water running beneath wall panels during heavy washdown cycles.

Drip Caps and Deflector Profiles

Positioned above cold room doors, external hatchways, and exterior panel joints, drip caps direct condensation and rainwater safely away from door seals and threshold gaskets. Effective water diversion extends gasket service life and prevents ice build-up around freezer doorways.

Flat Strips and Joiner Cover Trims

Flat cover strips seal vertical and horizontal inline panel joints. Available in various widths, flat flashings neatly bridge minor panel gaps, hold non-setting butyl sealants in compression, and maintain a seamless visual finish across expansive wall or ceiling expanses.

Material Specifications and Food-Safe Finishes

Cold room components must endure continuous exposure to sub-zero temperatures, high humidity, and aggressive chemical detergents. Pirouz Ltd manufactures and sources cold room trims utilizing industrial-grade materials designed for long-term durability in harsh environments.

• Food-Safe White PVC Laminate (120 Micron): Steel substrate coated with a thick, food-safe PVC laminate. Ideal for high-care food preparation areas, offering excellent resistance to abrasion and cleaning agents. Standard color finish matches RAL 9010 / RAL 9002 composite panels.
• Polyester Coated Steel (25 Micron): A cost-effective, durable finish suitable for standard cold storage, ambient processing areas, and dry storage rooms.
• Stainless Steel (Grade 304 & 316): Essential for harsh washdown areas, meat processing plants, chemical storage, and coastal installations where maximum corrosion resistance is required.
• Extruded Aluminium & Rigid PVC: Lightweight, highly durable non-corrosive materials used extensively for floor coves, corner retainers, and specialized snapping trims.

Profile Type	Standard Material Options	Stock Lengths	Primary Application
Internal Cove / Angle	Food-Safe PVC / White Steel	2.5m, 3.0m	Wall-to-floor and wall-to-ceiling hygienic seals
External Corner Angle	0.5mm – 0.7mm Plastisol / Stainless Steel	2.5m, 3.0m, 4.0m	Protecting exterior wall joints and panel corners
U-Channel / Base Track	1.2mm – 2.0mm Galvanised Steel / Aluminium	3.0m	Floor alignment and structural wall retention
Flat Cover Strip	0.5mm Food-Safe Steel / PVC	2.5m, 3.0m	Covering inline panel joints and ceiling seams

Hygiene Compliance and Thermal Performance

Choosing the correct profile is only part of the equation; proper trim selection directly impacts total facility operational efficiency. As discussed in our detailed guide on optimising UK cold rooms with doors, controls, and hygiene, maintaining environmental control requires an airtight, moisture-impermeable barrier across every junction.

When cold store trims are installed alongside appropriate silicone and non-setting butyl sealants, they prevent ambient warm air from penetrating the insulation layer. Unsealed panel joints allow water vapour to migrate into panel cores, leading to icing inside freezer walls, reduced thermal resistance, increased compressor run times, and elevated energy bills. Furthermore, using food-grade flashings prevents organic build-up, helping commercial operators achieve compliance with Food Standards Agency (FSA) regulations and Hazard Analysis Critical Control Point (HACCP) standards.

Custom Brake-Pressed Flashings for Refurbishments

Not every installation uses standard panel thicknesses or right-angle geometry. Existing buildings undergoing cold room retrofits often feature out-of-plumb masonry, variable floor slopes, or non-standard panel thickness transitions. Pirouz Ltd offers bespoke press braking services to produce custom flashings tailored to your exact measurements.

Send us your dimensional drawings or site sketches, specifying required angles, girder profiles, or offset legs. We press custom flashings in food-safe white steel, plastisol, galvanized steel, and stainless steel with rapid turnarounds, ensuring your project remains on schedule without compromising seal integrity.

Trade Pricing, Stock Availability, and Fast UK Dispatch

At Pirouz Ltd, we understand that delays on small trim orders can bring an entire cold room construction project to a halt. We maintain extensive stock of standard white food-safe flashings, heavy-duty base channels, and PVC cove caps at our Harlow distribution centre.

• Competitive Trade Rates: Direct pricing for trade contractors, refrigeration engineers, and facility build teams.
• Fast UK Dispatch: Stock items are packaged carefully in protective film and dispatched rapidly across the UK mainland.
• Expert Technical Guidance: Unsure which profile thickness or coating best suits your ambient or sub-zero temperature spec? Our technical support team is on hand to assist with product selection and quantity estimates.

Frequently Asked Questions

What finish is required for food preparation cold store flashings?

Food preparation environments require non-toxic, non-porous surfaces that withstand frequent washing. We recommend food-safe white PVC laminate (120 micron) or stainless steel profiles. These materials resist fungal growth and withstand chemical sanitizers without degrading.

Can Pirouz Ltd supply custom folded flashings to non-standard angles?

Yes. We operate precision press braking facilities capable of manufacturing bespoke metal flashings to your exact angle, girth, and leg dimensions in lengths up to 4 metres.

How are internal hygienic coves fitted to cold store panels?

Internal PVC or sheet metal coves are fixed to insulated wall and floor panels using food-safe rivets or concealed screws. Joints are sealed with clear or white food-safe silicone sealant to create a seamless, watertight seal.

What lengths do standard cold room flashings come in?

Our off-the-shelf flashings and trims are primarily stocked in standard 2.5 metre and 3.0 metre lengths. Custom lengths up to 4.0 metres are available upon request for bespoke orders.

Request a Trade Quote from Pirouz Ltd

Upgrade your cold store installation with high-grade, food-safe flashing and trims from Pirouz Ltd. Speak with our specialist team today to discuss your project requirements, request material samples, or obtain a quick trade quotation.

Pirouz Ltd
Unit 10, Harlow Mill Business Centre, Harlow, CM20 2FD
Telephone: 02037508888
Website: www.pirouz.co.uk